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* [Intel-gfx] [PATCH 1/2] drm/i915/display: use fetch_and_zero if applicable
@ 2022-12-08 11:12 Andrzej Hajda
  2022-12-08 11:12 ` [Intel-gfx] [PATCH 2/2] drm/i915/gt: " Andrzej Hajda
                   ` (4 more replies)
  0 siblings, 5 replies; 12+ messages in thread
From: Andrzej Hajda @ 2022-12-08 11:12 UTC (permalink / raw)
  To: intel-gfx; +Cc: Andrzej Hajda, Rodrigo Vivi

Simplify the code.

Signed-off-by: Andrzej Hajda <andrzej.hajda@intel.com>
---
 drivers/gpu/drm/i915/display/intel_hotplug.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c
index 907ab7526cb478..2972d7533da44e 100644
--- a/drivers/gpu/drm/i915/display/intel_hotplug.c
+++ b/drivers/gpu/drm/i915/display/intel_hotplug.c
@@ -304,10 +304,8 @@ static void i915_digport_work_func(struct work_struct *work)
 	u32 old_bits = 0;
 
 	spin_lock_irq(&dev_priv->irq_lock);
-	long_port_mask = dev_priv->display.hotplug.long_port_mask;
-	dev_priv->display.hotplug.long_port_mask = 0;
-	short_port_mask = dev_priv->display.hotplug.short_port_mask;
-	dev_priv->display.hotplug.short_port_mask = 0;
+	long_port_mask = fetch_and_zero(&dev_priv->display.hotplug.long_port_mask);
+	short_port_mask = fetch_and_zero(&dev_priv->display.hotplug.short_port_mask);
 	spin_unlock_irq(&dev_priv->irq_lock);
 
 	for_each_intel_encoder(&dev_priv->drm, encoder) {
@@ -379,10 +377,8 @@ static void i915_hotplug_work_func(struct work_struct *work)
 
 	spin_lock_irq(&dev_priv->irq_lock);
 
-	hpd_event_bits = dev_priv->display.hotplug.event_bits;
-	dev_priv->display.hotplug.event_bits = 0;
-	hpd_retry_bits = dev_priv->display.hotplug.retry_bits;
-	dev_priv->display.hotplug.retry_bits = 0;
+	hpd_event_bits = fetch_and_zero(&dev_priv->display.hotplug.event_bits);
+	hpd_retry_bits = fetch_and_zero(&dev_priv->display.hotplug.retry_bits);
 
 	/* Enable polling for connectors which had HPD IRQ storms */
 	intel_hpd_irq_storm_switch_to_polling(dev_priv);
-- 
2.34.1


^ permalink raw reply related	[flat|nested] 12+ messages in thread

end of thread, other threads:[~2022-12-08 19:03 UTC | newest]

Thread overview: 12+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2022-12-08 11:12 [Intel-gfx] [PATCH 1/2] drm/i915/display: use fetch_and_zero if applicable Andrzej Hajda
2022-12-08 11:12 ` [Intel-gfx] [PATCH 2/2] drm/i915/gt: " Andrzej Hajda
2022-12-08 11:47 ` [Intel-gfx] ✗ Fi.CI.SPARSE: warning for series starting with [1/2] drm/i915/display: " Patchwork
2022-12-08 12:11 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2022-12-08 12:32 ` [Intel-gfx] [PATCH 1/2] " Jani Nikula
2022-12-08 12:37   ` Jani Nikula
2022-12-08 13:36   ` Vivi, Rodrigo
2022-12-08 15:02     ` Jani Nikula
2022-12-08 15:44       ` Tvrtko Ursulin
2022-12-08 16:26         ` Andrzej Hajda
2022-12-08 15:02     ` Andrzej Hajda
2022-12-08 19:03 ` [Intel-gfx] ✓ Fi.CI.IGT: success for series starting with [1/2] " Patchwork

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